APA (7th ed.) Citation

Kaler, J. B. (1994). Astronomy! HarperCollins College.

Chicago Style (17th ed.) Citation

Kaler, James B. Astronomy! New York: HarperCollins College, 1994.

MLA (9th ed.) Citation

Kaler, James B. Astronomy! HarperCollins College, 1994.

Warning: These citations may not always be 100% accurate.